Answer:
D. 6 1/12
Step-by-step explanation:
3 2/3 + 1 3/4 + 2/3
= 3 8/12 + 1 9/12 + 8/12
= 3 + 1 + (8/12 + 9/12 + 8/12)
= 4 + (25/12)
= 4 + (24/12 + 1/12)
= 4 + 2 1/12
= 6 1/12
